Term Name:	diphthine synthase activity
Synonyms:	diphthine methyltransferase activity, S-adenosyl-L-methionine:2-(3-carboxy-3-aminopropyl)-L-histidine methyltransferase activity, S-adenosyl-L-methionine:elongation factor 2 methyltransferase activity
Definition:	Catalysis of the reaction: 2-[(3S)-amino-3-carboxypropyl]-L-histidyl-[translation elongation factor 2] + 3 S-adenosyl-L-methionine = diphthine-[translation elongation factor 2] + 3 H+ + 3 S-adenosyl-L-homocysteine.
Ontology:	GO: Molecular Function [GO:0004164]    QuickGO    AmiGO